Low-energy 3He and 4He ions in interplanetary space during quiet periods of the 23rd solar cycle

M. A. Zel'dovich, Yu I. Logachev, G. M. Surova, K. Kecskeméty

Research output: Contribution to journalArticle

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Abstract

Data from the ULEIS instrument aboard the ACE spacecraft are used to study the energy spectra of 3He and 4He ions produced during periods of the quiet Sun in the 23rd solar cycle in the energy range ~0.08-2 MeV/nucleon. Differences in the spectra and 3He/4He relative abundances for three groups of quiet periods dominated by different sources of ions are demonstrated: weak impulsive solar flares, particles of the solar corona, and solar wind particles accelerated to energies of several MeV/nucleon.

Original languageEnglish
Pages (from-to)562-565
Number of pages4
JournalAstronomy Reports
Volume57
Issue number7
DOIs
Publication statusPublished - Jul 2013

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interplanetary space
solar cycles
solar cycle
ion
solar corona
solar flares
solar wind
energy
ions
spacecraft
sun
energy spectra
corona
relative abundance
space (interplanetary)
particle

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Low-energy 3He and 4He ions in interplanetary space during quiet periods of the 23rd solar cycle. / Zel'dovich, M. A.; Logachev, Yu I.; Surova, G. M.; Kecskeméty, K.

In: Astronomy Reports, Vol. 57, No. 7, 07.2013, p. 562-565.

Research output: Contribution to journalArticle

Zel'dovich, M. A. ; Logachev, Yu I. ; Surova, G. M. ; Kecskeméty, K. / Low-energy 3He and 4He ions in interplanetary space during quiet periods of the 23rd solar cycle. In: Astronomy Reports. 2013 ; Vol. 57, No. 7. pp. 562-565.
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